Carat is a weight measurement for a diamond: here size matters -- bigger is better, biggest is best.
The biggest carat in a cut diamond is 20 carats. The largest diamond ever found was 530 carats.
The term kaşıkçı elması translates (loosely) from the Turkish to the Spoonmakers Diamond, a fabulous diamond that is the pride of the Topkapi Museum. You can read more about it, below. No, this pear-shaped, 86 carat stone is not the biggest diamond in the world.
A carat is a measurement of weight. The biggest carat, then, would be the weight of the biggest item being weighed using carats.
The carat defines the standard unit of weight measurement of a diamond.
A 625 carat diamond refers to a diamond that weighs 625 carats. Carat is a unit of measurement for gemstones, with one carat equal to 200 milligrams. A diamond of this size would be considered extremely rare and valuable.
Carat is the measurement of a diamond's weight. The stone's value would partially depend on its carat weight.
A one carat diamond weighs one carat and contains one carat.
A two-carat diamond is a gemstone that weighs two carats.
From the DiamondWorld magazine: "State-run mineral giant NMDC recently discovered a 37.68 carat diamond from Panna diamond mines in Madhya Pradesh, which stands as its biggest discovery till date." You can read more, below.
No, a one carat tanzanite gemstone and a one carat diamond are not the same size. Tanzanite is less dense than diamond, so a one carat tanzanite will typically appear larger in size compared to a one carat diamond.
The biggest mistake with a diamond is overpaying for one that is not of high quality or being misled about its characteristics. It's important to educate yourself on the 4 C's (cut, color, clarity, carat) and to buy from a reputable jeweler with certifications to avoid making a costly mistake.